PETROLATUM n.
A semisolid unctuous substance, neutral, and without taste or odor, derived from petroleum by distilling off the lighter portions and purifying the residue. It is a yellowish, fatlike mass, transparent in thin layers, and somewhat fluorescent. It is used as a bland protective dressing, and as a substitute for fatty mat…
PISTACHIO n.
he order Anacardiaceæ, containing a kernel of a pale greenish color, which has a pleasant taste, resembling that of the almond, and yields an oil of agreeable taste and odor; -- called also pistachio nut. It is wholesome and nutritive. The tree grows in Arabia, Persia, Syria, and Sicily. [Written also pistachia.]…
POTATO n.
erious damage to the crop. -- Potato whisky, a strong, fiery liquor, having a hot, smoky taste, and rich in amyl alcohol (fusel oil); it is made from potatoes or potato starch. -- Potato worm (Zoöl.), the large green larva of a sphinx, or hawk moth (Macrosila quinquemaculata); -- called also tomato worm. See Illust.…